Circuit Testing - Power

Circuit 202


Location: Connects underhood junction block connector cavity A to ignition switch connector cavity H.


Type: Red 12 gage wire


Function: This circuit provides power to the ignition switch.


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 4/43


Function: These circuits provide power to the IGN4 input of the radio. The radio can be turned On when this input receives voltage.


Circuit 4


Location: Connects ignition switch connector cavity G to instrument panel junction block connector cavity F12.


Type: Brown 14 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 43


Location: Connects instrument panel junction block connector cavity C12 to radio connector cavity 9.


Type: Yellow 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 402/440F


Function: These circuits provide power to the B+ input of the radio. The radio will retain the contents of the memory as long as there is voltage on this circuit.


Circuit 402


Location: Connects underhood junction block connector cavity B to instrument panel junction block connector cavity F5.


Type: Red/White 14 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.

Circuit 440F


Location: Connects instrument panel junction block connector cavity E5 to radio connector cavity 10.


Type: Orange 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 9M


Location: Connects park tamp switch connector cavity 6 to radio connector cavity 6.


Type: Brown 22 gage wire


Function: This circuit provides power to the radio display bulb.


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 44H


Location: Connects dim illumination connector cavity 7 to radio connector cavity 7.


Type: DK Green 22 gage wire


Function: This circuit provides power to the radio dim illumination bulb.


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 199A/199


Function: These circuits provide power to the left rear speaker.


Circuit 199A


Location: Connects radio connector cavity 20 to inline connector cavity V.


Type: Brown 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.

Circuit 199


Location: Connects inline connector cavity V to left rear speaker connector cavity B.


Type: Brown 20 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 116/116A


Function: These circuits provide a signal from the radio to the left rear speaker.


Circuit 116


Location: Connects radio connector cavity A to in line connector cavity W.


Type: Yellow 20 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 116A


Location: Connects inline connector cavity W to radio connector cavity 19.


Type: Yellow 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 46A/46


Function: These circuits provide power to the right rear speaker.


Circuit 46A


Location: Connects radio connector cavity 18 to inline connector cavity X.


Type: Dark Blue 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 46


Location: Connects inline connector cavity X to right rear speaker connector cavity B.


Type: Dark Blue 20 gage wire

Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 115/115A


Function: These circuits provide a signal from the radio to the right rear speaker.


Circuit 115


Location: Connects right rear speaker connector cavity A to inline connector cavity Y.


Type: Light Blue 20 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 115A


Location: Connects inline connector cavity Y to radio connector cavity 17.


Type: Light Blue 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 2O1A/2O1/2O1C


Function: These circuits provide power to the left front speaker.


Circuit 2O1A


Location: Connects radio connector cavity 2 to in line connector cavity E.


Type: Tan 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good go to the next item indicated on the "Complaint-Condition" chart.


Circuit 2O1/2OiC


Location: Connects inline connector cavity E to left front speaker connector cavity B.


Type: Tan 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 118/118A118C


Function: These circuits provide a signal from the radio to the left front speaker.


Circuit 118/118C


Location: Connects left front speaker connector cavity A to inline connector cavity F.


Type: Gray 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 118A


Location: Connects inline connector cavity F to radio connector cavity 1.


Type: Gray 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 200A/200/200C


Function: These circuits provide power to the right front speaker.


Circuit 2OOA


Location: Connects radio connector cavity 4 to inline connector cavity C.


Type: Light Green 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 200/200B


Location: Connects inline connector cavity C to right front speaker connector cavity B.


Type: Light Green 22 gage wire


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.

Circuit 1l7/117A/117B


Function: These circuits provide a signal from the radio to the right front speaker.


Circuit 117/117B


Location: Connects right front speaker connector cavity A to inline connector cavity D.


Type: Dark Green 22 gage wire


Check for OPENS/SHORTS.

Repair as needed.

If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 117A


Location: Connects inline connector cavity D to radio connector cavity 3.


Type: Dark Green 22 gage wire


Check for OPENS/SHORTS.

Repair as needed.

If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Antenna Cable


This wire carries the radio input signal from the antenna to the antenna input of the radio. It is shielded coaxial cable with a coaxial extension to the radio.


Check for OPENS/SHORTS.


Repair as needed.

If this component is good, go to the next item indicated on the "Complaint-Condition" chart.